Finding the Fourth Proportional to 155,412.10, 233,118.15 and 124,308.10

Step by Step Solution

1. Step 1: Write the proportion equation
   155,412.10 : 233,118.15 = 124,308.10 : x
2. Step 2: Convert to fraction form
   155,412.10/233,118.15 = 124,308.10/x
3. Step 3: Cross multiply
   155,412.10x = 233,118.15 × 124,308.10
4. Step 4: Simplify right side
   155,412.10x = 28,978,474,302.02
5. Step 5: Solve for x
   x = 28,978,474,302.02/155,412.10
6. Step 6: Final answer
   x = 186,462.15